MIL-DTL-2710C
TABLE VI. Conformance examinations and tests - Continued.
Inspection
Requirement
Examination or
paragraph
test paragraph
Plug
Dimension conformance
3.7
4.4.1
Hairpin (when specified (see 6.2))
Dimension conformance
3.7
4.4.1
Fit
3.12
4.4.8
¹ Hardness measurement methods, tests and testers such as Rockwell, Knoop, and Vickers, shall be direct
equivalents to Brinell and may be substituted solely in accordance with ASTM A370 (see 6.4).
4.3.1 Sampling for conformance inspection. Sampling shall be in accordance with
ASQ Z1.4, inspection level II, with the acceptance quality limit (AQL) as specified in the
contract (see 6.2).
4.3.1.1 Sampling of finished detachable links. For the purpose of sampling finished
detachable links, extra detachable links and detachable link components (see 4.3.1.2) shall be
provided in each lot. A lot shall consist of not more than 100 finished detachable links (without
plug or hairpin (see 6.2) installed) of the same type, class and size. Each detachable link
component shall be manufactured consecutively and from the same heat or melt of steel.
4.3.1.2 Conformance inspection of detachable link components. Each of the following
detachable link components of the lot shall be subjected to the following inspections prior to
proof testing (see 4.4.1, 4.4.1.1, 4.4.2, 4.4.3, 4.4.4, 4.4.5, and 4.5.6):
a.
C-link dimension conformance.
b.
C-link surface examination.
c.
C-link Brinell hardness testing.
d.
C-link pull draft angles examination.
e.
Right and left hand coupling plates dimension conformance.
f.
Right and left hand coupling plates surface examination.
g.
Right and left hand coupling plates Brinell hardness testing.
h.
Right and left hand coupling plates pull draft angles examination.
i.
C-link and right hand coupling plate marking examination.
j.
C-link and coupling plates identification number examination.
k.
Taper pin dimension conformance.
l.
Taper pin surface examination.
m.
Taper pin Brinell hardness testing.
n.
Plug dimension conformance.
o.
Hairpin dimension conformance.
4.3.1.3 Conformance inspection of 10 detachable links. After satisfactory completion of
inspections specified in 4.3.1.2, a random sampling of 10 detachable links shall be selected from
each lot and shall be subjected to the following inspections (see 4.4.6, 4.4.7, and 4.4.8):
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